题目内容
【题目】在贝壳上滴稀盐酸，能产生使澄清石灰水浑浊的气体， 这说明贝壳中含有的离子是( )。
A．Ca2＋ B．CO32- C．SO42- D．OH－
【答案】B
【解析】
试题分析：使澄清石灰水浑浊的气体是二氧化碳。而能与盐酸产生二氧化碳气体的是碳酸盐。所以可说明贝壳中含有碳酸根离子。
【题目】书面表达(15分)
新的初中生活已经开始。假如你是刘强。请根据表格内容，写一篇介绍自己的小短文。可以适当发挥。词数40左右。开头和结尾已给出，不计入总词数。
姓名 | 刘强 |
年龄 | 12岁 |
班级 | 七（6） 50人 |
爱好 | 踢足球 听音乐 |
…… |
Hello, everyone! ___________________________________________________________________________
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Thank you!
【题目】词语运用（10小题，每小题1分，共10分）
先阅读短文，掌握其大意。然后从方框中所给的词中选出恰当的10个，并用其适当形式填空，每个词限用一次。（每小题1分）
quiet rain on however so walk they but smell enjoyable |
I live in a small 1 nice village. I love it because it’s 2 , and there are a lot of trees. My friends and I often play football 3 the field near my house. 4 , after it 5 , the field is too wet to play on. We like to 6 along the river. We can 7 the flowers and listen to the birds. It is very 8 . My village is a comfortable place to live in. When my friends come to visit, I always have 9 much to show 10 .